3% Nital
general purpose
Composition
3% Nitric Acid in Ethanol
3%
Method
immersion
Time
10s
Basic Information
Category:General Purpose
Composition:3% Nitric Acid in Ethanol
Concentration:3%
Reveals:Grain boundaries, ferrite, pearlite, bainite
Typical Results:Similar to 2% Nital but more aggressive. Better for harder steels and bainitic structures.
Color Effects:Pearlite darkens more, ferrite remains light
Available from PACE Technologies
This etchant is available as a ready-to-use product.